ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,199, issued on Sept. 9, was assigned to SFC Co. LTD (Cheongju-si, South Korea).
"Organic light emitting compound and organic light emitting device" was invented by So-young Shim (Cheongju-si, South Korea) and Se-jin Yu (Cheongju-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to the following polycyclic aromatic derivative organic light emitting compound, and an organic light emitting device employing same as a dopant compound of a device light emitting layer. The organic light emitting device according to the present invention comprises a polycyclic aromatic derivative compound as a dopant compound in a...